tristan/nix
1
0
Fork 0
Code Issues 1 Pull requests Projects Releases Packages Wiki Activity

Add power management for ryzen apus

Browse source 
- set CPU TDP to 10W on battery & 45W on AC
This commit is contained in:
Tristan D. 2023-12-04 14:06:10 +01:00
parent 0a36bfc203
commit 499b6f77b3
Signed by: tristan
SSH key fingerprint: SHA256:U7y6eMb7CQDaTHv9XoX6/BaQnPqyxxKc+Xnfcefi6rY
4 changed files with 105 additions and 32 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
flake.lock generated
View file

@ -69,11 +69,11 @@
]
},
"locked": {
"lastModified": 1701680013,
"narHash": "sha256-H8uAiSr//UhEdTTRDJwP6LCTq7d1sXF1IKpe8GDW3PA=",
"lastModified": 1701334333,
"narHash": "sha256-rsJ11xznoc2JSmM57bstxyas8xq8ZaEqNhQuQWyoQ/A=",
"owner": "nix-community",
"repo": "emacs-overlay",
"rev": "1ff5471880b6e48f63ec5fa668486ab1268c2b22",
"rev": "913e44a13636fd111139ee683a6741ccb4c28672",
"type": "github"
},
"original": {

1
os-mods/amdgpu/default.nix
View file

@ -22,6 +22,7 @@
driSupport = true;
driSupport32Bit = true;
extraPackages = with pkgs; [
amdvlk
rocm-opencl-icd
rocm-opencl-runtime
];

90
os-mods/ryzenapu/default.nix Normal file
View file

@ -0,0 +1,90 @@
{ config
, lib
, pkgs
, system
, inputs
, ...
}: {
# This automatically sets the ryzen apu TDP to 45 W on AC and 10W on battery
# addionally it enables and configures some general power management stuff like powertop
environment.systemPackages = with pkgs.unstable-os; [
ryzenadj
(writers.writeDashBin "set_tdp" ''
set -efux
watt=$1
value=$(( $watt * 1000 ))
${ryzenadj}/bin/ryzenadj --stapm-limit="$value" --fast-limit="$value" --slow-limit="$value" --tctl-temp=85
'')
];
systemd = {
services = {
desktop-power-maximum-tdp = {
description = "Change TDP to maximum TDP when on AC power";
wantedBy = [ "ac.target" ];
unitConfig = {
RefuseManualStart = true;
};
path = with pkgs.unstable-os; [
coreutils
ryzenadj
];
serviceConfig.Type = "oneshot";
preStart = "sleep 2";
script = ''
ryzenadj --stapm-limit=45000 --fast-limit=45000 --slow-limit=45000 --tctl-temp=85
'';
};
portable-power-saving-tdp = {
description = "Change TDP to power saving TDP when on battery power";
wantedBy = [ "battery.target" ];
unitConfig = { RefuseManualStart = true; };
path = with pkgs.unstable-os; [
coreutils
ryzenadj
];
serviceConfig.Type = "oneshot";
preStart = "sleep 2";
script = ''
ryzenadj --stapm-limit=10000 --fast-limit=10000 --slow-limit=10000 --tctl-temp=85
'';
};
# Do not manage HID devices to prevent annoying keyboard/mouse sleeps
powertop.postStart = ''
HIDDEVICES=$(ls /sys/bus/usb/drivers/usbhid | grep -oE '^[0-9]+-[0-9\.]+' | sort -u)
for i in $HIDDEVICES; do
echo -n "Enabling " | cat - /sys/bus/usb/devices/$i/product
echo 'on' > /sys/bus/usb/devices/$i/power/control
done
'';
};
targets = {
ac = {
conflicts = [ "battery.target" ];
description = "On AC power";
unitConfig = { DefaultDependencies = "false"; };
};
battery = {
conflicts = [ "ac.target" ];
description = "On battery power";
unitConfig = { DefaultDependencies = "false"; };
};
};
};
services = {
power-profiles-daemon.enable = true;
udev.extraRules = ''
SUBSYSTEM=="power_supply", ENV{POWER_SUPPLY_NAME}=="AC0", ENV{POWER_SUPPLY_ONLINE}=="1", RUN+="${pkgs.systemd}/bin/systemctl --no-block start ac.target"
SUBSYSTEM=="power_supply", ENV{POWER_SUPPLY_NAME}=="AC0", ENV{POWER_SUPPLY_ONLINE}=="0", RUN+="${pkgs.systemd}/bin/systemctl --no-block start battery.target"
'';
};
# energy saving stuff
powerManagement.powertop.enable = true;
}

40
systems/nixos-pulse/default.nix
View file

@ -13,6 +13,7 @@
../../os-mods/common
../../os-mods/desktop
../../os-mods/network
../../os-mods/ryzenapu
../../os-mods/virt
../../users
./disko.nix
@ -27,6 +28,7 @@
"gccarch-x86-64-v3"
"gccarch-znver2"
];
boot = {
kernelPackages = pkgs.pkgsx86_64_v3.linuxPackages_cachyos;
kernelPatches = [ ];
@ -121,20 +123,6 @@
systemd = {
services = {
tailord = {
enable = true;
description = "Tuxedo Tailor hardware control service";
after = [ "systemd-logind.service" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "dbus";
BusName = "com.tux.Tailor";
ExecStart = "${pkgs.unstable-os.tuxedo-rs}/bin/tailord";
Environment = "RUST_BACKTRACE=1";
Restart = "on-failure";
};
};
# This manually configures the automatically created network-adresses service to be more flexible
# regarding booting without the the device being available on boot
# It prevents slow timeouts & errors on boot while preserving Plug & Play ability
@ -142,29 +130,18 @@
ConditionPathExists = "/sys/class/net/enp5s0f4u1u1c2";
BindsTo = lib.mkForce null;
};
powertop.postStart = ''
HIDDEVICES=$(ls /sys/bus/usb/drivers/usbhid | grep -oE '^[0-9]+-[0-9\.]+' | sort -u)
for i in $HIDDEVICES; do
echo -n "Enabling " | cat - /sys/bus/usb/devices/$i/product
echo 'on' > /sys/bus/usb/devices/$i/power/control
done
'';
};
};
services.power-profiles-daemon.enable = true;
services.udev.extraRules = ''
ACTION=="add", KERNEL=="enp5s0f4u1u1c2", TAG+="systemd", ENV{SYSTEMD_WANTS}="network-addresses-enp5s0f4u1u1c2.service"
ACTION=="remove", KERNEL=="enp5s0f4u1u1c2", RUN+="${pkgs.systemd}/bin/systemctl stop network-addresses-enp5s0f4u1u1c2.service"
SUBSYSTEM=="pci", ATTR{power/control}="auto"
'';
# energy saving stuff
powerManagement.powertop.enable = true;
environment.systemPackages = with pkgs.unstable-os; [ android-tools android-udev-rules tuxedo-rs tailor-gui ryzenadj ];
services.dbus.packages = [ pkgs.unstable-os.tuxedo-rs ];
environment.systemPackages = with pkgs.unstable-os; [
android-tools
android-udev-rules
];
hardware = {
enableRedistributableFirmware = true;
@ -172,6 +149,11 @@
tuxedo-keyboard.enable = true;
cpu.amd.updateMicrocode = true;
sensor.iio.enable = true;
tuxedo-rs = {
enable = true;
tailor-gui.enable = true;
};
};
zramSwap.enable = true;